lld/test/COFF/icf-local.test

   1 # COMDAT sections with non-external linkage should not be merged by ICF.
   2
   3 # RUN: yaml2obj %s -o %t1.obj
   4 # RUN: sed s/foo/main/ %s | yaml2obj > %t2.obj
   5 # RUN: lld-link /out:%t.exe /entry:main /subsystem:console /verbose \
   6 # RUN:   %t1.obj %t2.obj > %t.log 2>&1
   7 # RUN: FileCheck %s < %t.log
   8
   9 # CHECK-NOT: Removed bar
  10
  11 --- !COFF
  12 header:
  13   Machine:         IMAGE_FILE_MACHINE_AMD64
  14   Characteristics: []
  15 sections:
  16   - Name:            .text
  17     Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
  18     Alignment:       16
  19     SectionData:     488D0500000000C3
  20     Relocations:
  21       - VirtualAddress:  3
  22         SymbolName:      bar
  23         Type:            IMAGE_REL_AMD64_REL32
  24   - Name:            .rdata
  25     Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_READ ]
  26     Alignment:       8
  27     SectionData:     2A000000000000002B00000000000000
  28 symbols:
  29   - Name:            .text
  30     Value:           0
  31     SectionNumber:   1
  32     SimpleType:      IMAGE_SYM_TYPE_NULL
  33     ComplexType:     IMAGE_SYM_DTYPE_NULL
  34     StorageClass:    IMAGE_SYM_CLASS_STATIC
  35     SectionDefinition:
  36       Length:          8
  37       NumberOfRelocations: 1
  38       NumberOfLinenumbers: 0
  39       CheckSum:        1092178131
  40       Number:          1
  41   - Name:            .rdata
  42     Value:           0
  43     SectionNumber:   2
  44     SimpleType:      IMAGE_SYM_TYPE_NULL
  45     ComplexType:     IMAGE_SYM_DTYPE_NULL
  46     StorageClass:    IMAGE_SYM_CLASS_STATIC
  47     SectionDefinition:
  48       Length:          16
  49       NumberOfRelocations: 0
  50       NumberOfLinenumbers: 0
  51       CheckSum:        1200668497
  52       Number:          5
  53       Selection:       IMAGE_COMDAT_SELECT_ANY
  54   - Name:            foo
  55     Value:           0
  56     SectionNumber:   1
  57     SimpleType:      IMAGE_SYM_TYPE_NULL
  58     ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
  59     StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  60   - Name:            bar
  61     Value:           0
  62     SectionNumber:   2
  63     SimpleType:      IMAGE_SYM_TYPE_NULL
  64     ComplexType:     IMAGE_SYM_DTYPE_NULL
  65     StorageClass:    IMAGE_SYM_CLASS_STATIC
  66 ...